Identifying Lists That Work: The Basics

Once the lists are received and coded by the mail house, they’re run through a process known as merge/purge. The merge/purge process will eliminate duplications within lists (intradupes) and between lists (interdupes), provide postal correction for deliverability, run the National Change of Address process, run suppressions and screens, and purge against the house database since you do not wish to mail current donors.